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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @summary Testing ClassFile TempConstantPoolBuilder.
 * @run junit TempConstantPoolBuilderTest
 */
import java.lang.classfile.*;
import java.lang.classfile.attribute.RuntimeVisibleAnnotationsAttribute;
import java.lang.classfile.attribute.SourceFileAttribute;
import java.lang.reflect.AccessFlag;
import org.junit.jupiter.api.Test;

import java.lang.constant.ClassDesc;

import static helpers.TestConstants.MTD_VOID;
import static java.lang.constant.ConstantDescs.CD_Object;
import static java.lang.constant.ConstantDescs.CD_void;
import java.lang.constant.MethodTypeDesc;

class TempConstantPoolBuilderTest {

    public static final ClassDesc INTERFACE = ClassDesc.ofDescriptor("Ljava/lang/FunctionalInterface;");

    @Test
    void createAnno() {
        Annotation a = Annotation.of(INTERFACE,
                                     AnnotationElement.ofString("foo", "bar"));
    }

    @Test
    void addAnno() {
        var cc = ClassFile.of();
        byte[] bytes = cc.build(ClassDesc.of("MyClass"), cb -> {
            cb.withFlags(AccessFlag.PUBLIC)
              .with(SourceFileAttribute.of(cb.constantPool().utf8Entry(("MyClass.java"))))
              .withMethod("<init>", MethodTypeDesc.of(CD_void), 0, mb -> mb
                            .withCode(codeb -> codeb.aload(0)
                                    .invokespecial(CD_Object, "<init>", MTD_VOID, false)
                                    .return_()
                            )
                            .with(RuntimeVisibleAnnotationsAttribute.of(Annotation.of(INTERFACE,
                                                                                      AnnotationElement.ofString("foo", "bar"))))
              );
        });
        ClassModel m = cc.parse(bytes);
        //ClassPrinter.toJson(m, ClassPrinter.Verbosity.TRACE_ALL, System.out::println);
    }
}
